Mm at the momento no, but i think it's a good idea to insert this feature in future OpenMPI release :)
We can have parameter set that works well with a precise numbers of procs, and not with a more large number ( or more small number) . The same for message size. Thanks for the quick reply! :D 2010/7/15 Jeff Squyres <jsquy...@cisco.com> > We don't have any kind of logic language like that for the params files. > > Got any suggestions / patches? > > > On Jul 15, 2010, at 8:37 AM, Gabriele Fatigati wrote: > > > Dear OpenMPI users, > > > > is it possible to define some set of parameters for a range number of > processors and message size in openmpi-mca-params.conf ? For example: > > > > if nprocs<256 > > > > some mca parameters... > > > > if nprocs > 256 > > > > other mca parameters.. > > > > and the same related to message size? > > > > Thanks in advance. > > > > -- > > Ing. Gabriele Fatigati > > > > Parallel programmer > > > > CINECA Systems & Tecnologies Department > > > > Supercomputing Group > > > > Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy > > > > www.cineca.it Tel: +39 051 6171722 > > > > g.fatigati [AT] cineca.it > > _______________________________________________ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > -- Ing. Gabriele Fatigati Parallel programmer CINECA Systems & Tecnologies Department Supercomputing Group Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy www.cineca.it Tel: +39 051 6171722 g.fatigati [AT] cineca.it